Page 258 of 462
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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ - 9HY
Refitting.
Refit tool [1]at «b».
Remove the screw (10).
Refit:
- The uppe Citroen C4 2005 2.G Workshop Manual Downloaded from www.Manualslib.com manuals search engine 252
ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ - 9HY
Refitting.
Refit tool [1]at «b».
Remove the screw (10).
Refit:
- The uppe](/manual-img/9/4138/w960_4138-257.png)
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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ - 9HY
Refitting.
Refit tool [1]at «b».
Remove the screw (10).
Refit:
- The upper timing cover (12).
- The lower timing cover (11).
- The accessories drive pulley (9).
- The screw (10).
Tightening torque
Screw (10)Pre-tighten to : 3 ± 0,3 m.daN.
Angular tighten : 180° ± 5°.
Remove tool [1].
Refit:
- The engine support (8), tighten to 5,5 ± 0,4 m.daN.
- The engine support (4), tighten to 6,1 ± 0,6 m.daN.
- The engine support (5), tighten to 2,5 ± 0,2 m.daN.
- The electrical harness (7).
- The power steering fluid reservoir (6).
XSARA PICASSO
Couple:
- The tube (2).
- The exhaust line, tighten the clip to 2,5 ± 0,3 m.daN.
- The fuel unions (1).
- The air/air heat exchanger inlet and outlet pipes (3).
Connect the connector at «a».
Refit:
- The accessories drive belt
(see corresponding operation).
- The front RH splash-shield (see corresponding operation).
- The front RH wheel, tighten to 9 ± 1 m.daN.
- Reconnect the positive and negative terminals of the battery.
IMPERATIVE: Perform the operations that are necessary following
a reconnection of the battery
(see corresponding operation).
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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ - 9HY
Refitting (continued).
Refit tool [1]at «b».
Remove the screw (10).
Refit: Citroen C4 2005 2.G Workshop Manual Downloaded from www.Manualslib.com manuals search engine 258
ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ - 9HY
Refitting (continued).
Refit tool [1]at «b».
Remove the screw (10).
Refit:](/manual-img/9/4138/w960_4138-263.png)
Downloaded from www.Manualslib.com manuals search engine 258
ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ - 9HY
Refitting (continued).
Refit tool [1]at «b».
Remove the screw (10).
Refit:
- The upper timing cover (12).
- The lower timing cover (11).
- The accessories drive pulley (9).
- The screw (10).
Tightening torque
- Screw (10)Pre-tighten to: 3 ± 0,3 m.daN.
Angular tighten: 180° ± 5°.
Remove tool [1].
Refit:
- The engine support (8), tighten to 5,5 ± 0,4 m.daN.
- The engine support (4), tighten to 6,1 ± 0,6 m.daN.
- The engine support (5), tighten to 2,5 ± 0,2 m.daN.
- The electrical harness (7).
- The power steering fluid reservoir (6).
XSARA PICASSO
Disengage the jack from under the engine.
Couple:
- The tube (2).
- The exhaust line, tighten the clip to 2,5 ± 0,3 m.daN.
- The fuel unions (1).
- The air/air heat exchanger inlet and outlet pipes (3).
Connect the connector at «a».
Refit:
- The accessories drive belt
(see corresponding operation).
- The front RH splash-shield (see corresponding operation).
- The front RH wheel, tighten to 9 ± 1 m.daN.
Reconnect the positive and negative terminals of the battery.
IMPERATIVE: Perform the operations that are necessary following
a reconnection of the battery
(see corresponding operation).
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ENGINE
CHECKING THE VALVE TIMING
Engine: RHR
Tools.
[1] Kit of plugs: (-).0188.T
[2] Double flywheel setting peg: (-).0188.X Toolkit 0188-T Citroen C4 2005 2.G Workshop Manual Downloaded from www.Manualslib.com manuals search engine 271
ENGINE
CHECKING THE VALVE TIMING
Engine: RHR
Tools.
[1] Kit of plugs: (-).0188.T
[2] Double flywheel setting peg: (-).0188.X Toolkit 0188-T](/manual-img/9/4138/w960_4138-276.png)
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ENGINE
CHECKING THE VALVE TIMING
Engine: RHR
Tools.
[1] Kit of plugs: (-).0188.T
[2] Double flywheel setting peg: (-).0188.X Toolkit 0188-T
[3]Camshaft setting peg: (-).0188.M
IMPERATIVE: Respect the safety and cleanliness requirements specific to High pressure Diesel
injection (HDi) engine versions.
Remove the engine cover and the battery.
Disconnect the negative terminal of the battery.
Raise and support the front of the vehicle.
Remove the under-engine sound-deadening and the front RH splash-shield.
Uncouple, plug and move aside, using tool [1], the fuel supply and fuel return pipes..
Suspend the engine, using a workshop hoist.
Remove the engine support bracket and the engine support.
Move aside the electrical harness (1).
Remove:
- The camshaft position sensor.
- The inlet cylinder head cover (2).
- The upper timing cover screws.
- The upper timing cover (3).
B1EP1GFC
C4
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ENGINE
274
CHECKING AND SETTING THE VALVE TIMING
Engine: RHR
Uncouple, plug and move aside, using tool [7],
the fuel delivery pipe (1)and the fuel return pipe (2).
Suspend the engine, using a workshop hoist.
Remove the bracket (3)and the RH engine
support (4).
Move aside the electrical harness (5).
Remove:
- The upper timing cover screws.
- The upper timing cover (6).
Rotate the engine by means of the auxiliaries drive
pulley.
Orient the camshaft pinion in the pegging position,
use a mirror if necessary.
Peg the camshaft, using tool [3].
Peg the engine flywheel, using tool [2].
Lock the flywheel, using tool [6].
B1BP351C
B1EP1FAC
B1EP1FBC
B1BP31EC
C4
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CLUTCH
GEARBOX
TRANSMISSION
RECOMMENDATIONS/PRECAUTIONS: AL4 AUTOMATIC GEARBOX (SHIFT LOCK)
Engines: NFU - RFJ
C5FP0NZC
C5FP0P0C
SHIFT LOCK.
The «shift lock»is a system that locks the gear selection lever in position «P».
Unlocking the «SHIFT LOCK»
(normal operation).Switch on the ignition.
Press the brake pedal and keep it pressed.
Move the gear selection lever out of position «P».
Unlocking the «SHIFT LOCK»
(with an operating fault).
NOTE:It is impossible to unlock the «shift lock»with the «Normal operation»
method.
The fault may originate from one of the following components:
- «Shift lock».
- Gear lever position switch.
- Automatic gearbox ECU.
- Electrical harnesses.
- Battery voltage.
Remove:
- The gear lever cover (1)
(pull upwards).
- Unlock the «shift lock»by pressing at “a”with the aid of a screwdriver.
- Move the gear selection lever out of position «P».
C4
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CLUTCH
GEARBOX
TRANSMISSION
XSARARECOMMENDATIONS/PRECAUTIONS: AL4 AUTOMATIC GEARBOX (SHIFT LOCK)
Engines: NFU - RFN - RHZ
SHIFT LOCK.
NOTE: The«shift lock» is a system that locks the gear selection lever in position«P».
Unlocking the «SHIFT LOCK»
(normal operation).
- Switch on the ignition.
- Press the brake pedal and keep it pressed.
- Move the gear selection lever out of position«P».
Unlocking the «SHIFT LOCK»
(with an operating fault).
NOTE: It is impossible to unlock the«shift lock» with the«Normal operation» method.
The fault may originate from one of the following components:
- «Shift lock».
- Gear lever position switch.
- Automatic gearbox ECU.
- Electrical harnesses.
- Battery voltage.
Remove:
- The cover(1).
- Unlock the«shift lock» (2) with the aid of a screwdriver.
- Move the gear selection lever out of position«P».
C5FP06ZC
C5FP06YC
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CLUTCH
GEARBOX
TRANSMISSION
RECOMMENDATIONS/PRECAUTIONS: AL4 AUTOMATIC GEARBOX (SHIFT LOCK)
SHIFT LOCK.
NOTE: The«shift lock» is a system that locks the gear selection lever in position«P».
Unlocking the «SHIFT LOCK»
(normal operation).
- Switch on the ignition.
- Press the brake pedal and keep it pressed.
- Move the gear selection lever out of position«P».
Unlocking the «SHIFT LOCK»
(with an operating fault).
NOTE:It is impossible to unlock the«shift lock» with the«Normal operation» method.
The fault may originate from one of the following components:
- «Shift lock».
- Gear lever position switch.
- Automatic gearbox ECU.
- Electrical harnesses.
- Battery voltage.
Remove:
- Unlock the«shift lock» by pressing at «a» with a screwdriver placed in the gear
selection control gate.
- Move the gear selection lever out of position«P».
Engine: RFN
XSARA PICASSO
B2CP3N8C
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Page 449 of 462
Downloaded from www.Manualslib.com manuals search engine AIR
CONDITIONING
443
CHECKING THE EFFICIENCY OF THE AIR CONDITIONING SYSTEM
Aircon circuit diagnosis table
Principal problem Symptom Possible causes
Aircon compressor clutch
Lack of aircon fluid in the aircon circuit
The clutch of the aircon compressor does not Aircon pressostat
engage, or disengages suddenly Aircon evaporator sensor
The aircon compressor does not turn Electrical circuit
(wiring, fuses, etc.)
or stops suddenly
Auxiliaries drive belt
Aircon compressor
The clutch of the aircon compressor remains Filtering and drying cartridge
engaged and stops suddenly
Aircon pressure reducer
Leak of aircon fluid
Aircon compressor clutch
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